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Individual Calculations July 2009 |
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| Ivanova, Alexandra Total change: 20.25 | |   |
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| Bulgarian Chess championship for girls 14 years old | Sunny Beach | BUL | 2009-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1598 | 2.00 | 4 | 0.81 | 25 | 20.25 | |
|  Vasileva, Veronika | | | 1584 | BUL | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Galunova, Tsveta | | | 1885 | BUL | 1.00 | 1 | 0.84 | 25 | 21.00 | |  Dragieva, Denitza | | | 1752 | BUL | 1.00 | 1 | 0.71 | 25 | 17.75 | | | Venkova, Polina | | | 1815 | BUL | 0.00 | 1 | -0.22 | 25 | -5.50 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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